Finding the Fourth Proportional to 4,675,998.76, 6,457,334.92 and 4,421,253.36
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Solution
The fourth proportional to 4,675,998.76, 6,457,334.92 and 4,421,253.36 is: 6,105,543.47
Step by Step Solution
- Step 1: Write the proportion equation
4,675,998.76 : 6,457,334.92 = 4,421,253.36 : x - Step 2: Convert to fraction form
4,675,998.76/6,457,334.92 = 4,421,253.36/x - Step 3: Cross multiply
4,675,998.76x = 6,457,334.92 × 4,421,253.36 - Step 4: Simplify right side
4,675,998.76x = 28,549,513,711,695.33 - Step 5: Solve for x
x = 28,549,513,711,695.33/4,675,998.76 - Step 6: Final answer
x = 6,105,543.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.